Freelance Full Stack Developer — AI Data Platform

Shakers is seeking a Freelance Full Stack Developer to join an AI data platform in the FinTech space. You’ll own feature delivery end-to-end, influence architecture decisions, and ship in a fast-moving, ownership-driven environment.

Hybrid presence in Milan required. Responsibilities include building React/Next.js interfaces, backend APIs, and Postgres/Supabase integration, with cloud deployment on GCP or Vercel.

Build across the full stack — React/Next.js interfaces, backend APIs, and database layer (Postgres/Supabase). Work with AI agents and LLM-based features integrated into the core product. Take ownership of features from concept to production, contributing to architecture decisions. Collaborate with product and engineering on new functionality. 3+ years (ideally 5+) of end-to-end full stack development. Strong React/Next.js + TypeScript experience. Backend/API design and implementation experience. Postgres or Supabase experience. Cloud deployment experience (GCP, Vercel). C1 English proficiency. Hybrid work in Milan